This article is about the year A.D. 911. For other uses, see 911 (disambiguation).

Events

• Lower Seine area is ceded to Scandinavian invaders as the duchy of Normandy (see Treaty of St.-Claire-sur-Epte).
• Accession of Pope Anastasius III (911 - 913).
• The town of Drogheda in Ireland, is founded by the Danes.

Births

Deaths

• Pope Sergius III (904 - 911)
• Earl Aethelred of Mercia,husband of Ethelfleda
• Louis the Child, last Carolingian ruler of the East Franks